Finding the Fourth Proportional to 902,332.33, 1,245,218.87 and 494,430.84
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Solution
The fourth proportional to 902,332.33, 1,245,218.87 and 494,430.84 is: 682,314.70
Step by Step Solution
- Step 1: Write the proportion equation
902,332.33 : 1,245,218.87 = 494,430.84 : x - Step 2: Convert to fraction form
902,332.33/1,245,218.87 = 494,430.84/x - Step 3: Cross multiply
902,332.33x = 1,245,218.87 × 494,430.84 - Step 4: Simplify right side
902,332.33x = 615,674,613,114.03 - Step 5: Solve for x
x = 615,674,613,114.03/902,332.33 - Step 6: Final answer
x = 682,314.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.